<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        html,body {
            width: 100%;
            height: 100%;
        }
        iframe {
            width: 100%;
            height: 100%;
            border: none;
        }
    </style>
    <script>
        // window.onload =  function(e) {
        //     console.log(e)
        //  }
        // console.log(1111)
        window.addEventListener('message', (e)=>{
            console.log(e.data)
        },true)
        window.addEventListener('c',(e)=>{
            
        })
    </script>
</head>
<body>
    <iframe src="https://erpconsole.51hchc.com/dashboard/?hq_id=199&account_id=902&is_old=true&&is_new=true&token=b358f9bd9be2d10f1c5c524799f3e74d&pos=true" frameborder="0"></iframe>
    <!-- <iframe src="./a.html" frameborder="0"></iframe> -->
</body>
</html>